Bidirectional light emitting diode light sheet
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United States of America Patent
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Apr 17, 2018
Grant Date -
Dec 17, 2015
app pub date -
Mar 16, 2015
filing date -
Mar 16, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A bidirectional light sheet including at least first and second arrays of bare LED chips having top and bottom electrodes, where the arrays of LEDs are sandwiched between at least two transparent substrates having conductors bonded to the electrodes without wires, forming light sheets to emit light from opposite surfaces of the light sheet to create a bidirectional light sheet. The light sheet may be suspended from a ceiling to be non-parallel to the ceiling A reflector or a plurality of lenses may be included in the light sheet to emit light at any peak intensity angle to achieve a predetermined light emission pattern.
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International Classification(s)
- F21V:FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES....
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- F21Y:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L,....
- F21K:LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- G09F:DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLA....
- F21S:NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
- H05K:PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAIL....
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